experimenting with water surface mesh

engine/world_generation/src/map/map.rs

@@ -13,7 +13,7 @@ pub struct Map {
 	pub chunks: Vec<Chunk>,
 	pub height: usize,
 	pub width: usize,
-	pub sea_level: f32,
+	pub sealevel: f32,
 	pub min_level: f32,
 	pub max_level: f32,
 	pub biome_count: usize,
@@ -39,6 +39,7 @@ impl Map {
 
 		return MeshChunkData {
 			min_height: self.min_level,
+			sealevel: self.sealevel,
 			heights: chunk.heights.clone(),
 			textures: chunk.textures.clone(),
 		};
@@ -140,7 +141,7 @@ impl Map {
 	pub fn get_center(&self) -> Vec3 {
 		let w = self.get_world_width();
 		let h = self.get_world_height();
-		return Vec3::new(w / 2., self.sea_level, h / 2.);
+		return Vec3::new(w / 2., self.sealevel, h / 2.);
 	}
 
 	pub fn get_world_width(&self) -> f32 {

engine/world_generation/src/map/map_utils.rs

@@ -68,7 +68,7 @@ pub fn update_map(map: &Map, smooth: f32, image: &mut ImageBuffer<image::Rgba<u8
 		let height = map.sample_height(&coord);
 
 		let mut color = Hsla::hsl(138.0, 1.0, 0.4);
-		if height < map.sea_level {
+		if height < map.sealevel {
 			color.hue = 217.0;
 		}
 

engine/world_generation/src/map/mesh_chunk.rs

@@ -6,6 +6,7 @@ pub struct MeshChunkData {
 	pub heights: [f32; Chunk::AREA],
 	pub textures: [[u32; 2]; Chunk::AREA],
 	pub min_height: f32,
+	pub sealevel: f32,
 }
 
 impl MeshChunkData {
@@ -22,4 +23,18 @@ impl MeshChunkData {
 
 		return data;
 	}
+
+	pub fn get_neighbors_map_bounded(&self, coord: &HexCoord, width: usize, height: usize) -> [f32; 6] {
+		let mut data = [self.min_height; 6];
+		let n_tiles = coord.get_neighbors();
+		for i in 0..6 {
+			let n = n_tiles[i];
+			if !n.is_in_bounds(Chunk::SIZE * width, Chunk::SIZE * height) {
+				continue;
+			}
+			data[i] = self.heights[n.to_index(Chunk::SIZE)];
+		}
+
+		return data;
+	}
 }